First tensioning pier abutment structure adopted by the prestressed pipe pressure slurry should comply with the following rules

3. The installation of two prestressed prestressed pipe pressure slurry should be conducted from bottom to top, and the measures should be taken to prevent them from being a pedestal besmear to brush the isolation of the seam an agent pollution. Rules in section 6, it shall meet the following requirements before tensioning, pedestal, anchor bar and detailed inspections on all tensioning equipment, qualified rear can operate. More than tensioning prestressed bars at the same time, should be at the beginning of the single prestressed reinforcement stress adjustment in advance, make the stress of the consistent with each other, then the overall tension. Tensioning process, should make activities always keep parallel beams with fixed beams, and shall check the prestressing value of prestressed reinforcement, the deviation of the absolute value shall not be more than in a total 5% of the total cost of the prestressed reinforcement prestressed components. 3 first tensioning prestressed tensioning prestressed pipe pressure slurry should comply with the regulations of design program; Design not provided, the tensioning procedure.